a speck of dust in an electron microscope is 1.2 x 10 to the 2 power millimeters wide.The image is 5 x 10 to the 2 power time larger than the actual size.How many millimeters wide is the actual speck of dust?
scientific notation word problems.
Answers
Answered by
7
Let d be the width of dust seen in electron microscope.
d = 1.2* 10^2 mm
let x be the scaling parameter.
x = 5*10^2mm
dusts actual width D is calculated by scaling d by a factor of x
D = d/x
D = 0.24mm
Note that you are scaling dimensions by a factor of x and not surface of the
d = 1.2* 10^2 mm
let x be the scaling parameter.
x = 5*10^2mm
dusts actual width D is calculated by scaling d by a factor of x
D = d/x
D = 0.24mm
Note that you are scaling dimensions by a factor of x and not surface of the
Similar questions